#!/bin/sh
#
# Copyright 2020 eBlocker Open Source UG (haftungsbeschraenkt)
#
# Licensed under the EUPL, Version 1.2 or - as soon they will be
# approved by the European Commission - subsequent versions of the EUPL
# (the "License"); You may not use this work except in compliance with
# the License. You may obtain a copy of the License at:
#
#   https://joinup.ec.europa.eu/page/eupl-text-11-12
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied. See the License for the specific language governing
# permissions and limitations under the License.
#

# Set the timezone. Pass a POSIX formatted timezone string like e.g. "Europe/Berlin" or "America/Havana" as the first argument.

if [ $# -ge '1' ]; then
    timezone=$1
    echo "Setting timezone to: $timezone"

    # timedatectl is available on systemd systems like Debian Stretch
    if [ -x "$(command -v timedatectl)" ]; then
        timedatectl set-timezone $timezone
    else
        echo $timezone > /etc/timezone
        dpkg-reconfigure -f noninteractive tzdata
    fi
fi